## Excel Formula: Remove extension from file name

Here is a list of file names including the extensions, how can you remove the extensions from the file names as below screenshot shown. In this tutorial, it provides a formula to deal with this job, and explains the arguments of the formula and how the formula works in Excel.

Generic formula:

 =LEFT(filename,FIND(".",filename)-1)

Arguments

 Filename: the text string you want to remove the extension from.

Return value

The formula returns the cell contents without extension.

How this formula work

Example: To remove the extension from file names in column B3:B5, please use below formula in C3:C5.

 =LEFT(B3,FIND(".",B3)-1)

Press Enter keys to get the result in C3, then drag fill handle down to C5.

Explanation

FIND(".",B3): the FIND function returns the position of a specific character. Here this formula gets the position of character “.”.

=LEFT(B3,FIND(".",B3)-1): the LEFT function extracts text from left side of a text string. Here this formula calculation steps will be shown as below:
=LEFT(B3,FIND(".",B3)-1)
=LEFT(B3,6-1)
=LEFT(B3,5)

Which returns five characters in left side of the text string in cell B3.

Remark

If there are two or more file names with extensions in a cell, this formula only returns the first file name. See screenshot:

### Sample File

#### Relative Formulas

• Find most requenst text with criteria
In some cases, you may want to find the text which appears most frequently based on a criterion in Excel. This tutorial introduces an array formula to handle this job and gives the explanation about the arguments of this formula.
• Combine cells with commas
Here this tutorial provides some formulas to join multiple cells into one cell with comma as separator as below screenshot shown, and also explains how the formulas work in Excel.
• Make text same length
If there is a list of texts with different lengths, for looking nicer, you can make these text with same length by adding trailing characters as below screenshot shown. Here it provides a formula which combines the LEN and REPT functions to handle it in Excel.
• Check if cell contains number
Sometimes, you may want to check if a cell contains numeric characters. This tutorial provides a formula which will return TRUE if the cell contains number, FALSE if cell does not contain number.

### The Best Office Productivity Tools

#### Kutools for Excel - Helps You To Stand Out From Crowd

 🤖 Kutools AI Aide: Revolutionize data analysis based on: Intelligent Execution   |  Generate Code  |  Create Custom Formulas  |  Analyze Data and Generate Charts  |  Invoke Kutools Functions… Popular Features: Find, Highlight or Identify Duplicates  |  Delete Blank Rows  |  Combine Columns or Cells without Losing Data  |  Round without Formula ... Super VLookup: Multiple Criteria  |  Multiple Value  |  Across Multi-Sheets  |  Fuzzy Lookup... Adv. Drop-down List: Easy Drop Down List  |  Dependent Drop Down List  |  Multi-select Drop Down List... Column Manager: Add a Specific Number of Columns  |  Move Columns  |  Toggle Visibility Status of Hidden Columns  |  Compare Columns to Select Same & Different Cells ... Featured Features: Grid Focus  |  Design View  |  Big Formula Bar  |  Workbook & Sheet Manager | Resource Library (Auto Text)  |  Date Picker  |  Combine Worksheets  |  Encrypt/Decrypt Cells  |  Send Emails by List  |  Super Filter  |  Special Filter (filter bold/italic/strikethrough...) ... Top 15 Toolsets:  12 Text Tools (Add Text, Remove Characters ...)  |  50+ Chart Types (Gantt Chart ...)  |  40+ Practical Formulas (Calculate age based on birthday ...)  |  19 Insertion Tools (Insert QR Code, Insert Picture from Path ...)  |  12 Conversion Tools (Numbers to Words, Currency Conversion ...)  |  7 Merge & Split Tools (Advanced Combine Rows, Split Excel Cells ...)  |  ... and more

Kutools for Excel Boasts Over 300 Features, Ensuring That What You Need is Just A Click Away...

#### Office Tab - Enable Tabbed Reading and Editing in Microsoft Office (include Excel)

• One second to switch between dozens of open documents!
• Reduce hundreds of mouse clicks for you every day, say goodbye to mouse hand.
• Increases your productivity by 50% when viewing and editing multiple documents.
• Brings Efficient Tabs to Office (include Excel), Just Like Chrome, Edge and Firefox.